Pigment epithelium-derived factor(PEDF) secreted from human retinal epithelium cells is a potent angiogenic inhibitor in the mammalian eyes.

• 色素上皮衍生因子(PEDF)来源于人视网膜色素上皮细胞,是眼内有效的血管生成抑制剂,对保持正常眼组织透明无血管的状态有重要作用。